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Old Apr 29, 2010, 11:47 AM
Registered User
Shanghai, China
Joined Mar 2010
215 Posts
Build Log
Crimson, my home designed 2 meter woody (plans added for free download)

Hi all,
Am new here and my name is Patrick, coming from China. My first post here is my just finished 2meter woody,named after the lovely Crimson Rosella originated in Australia.
I build this tiny bird from drawing board, with total building time logged less than 50 hours. All materials used are balsa, Tong and pine wood. with simple R/E control, this bird demonstrates easy handling characteristics and thermals quite well. I use a couple of scrap Futaba 3003 standard servo for control and a cheap AM 2 channel radio, NO PROBLEM at all!
Wingspan: 1950mm
Wingcord: 220mm
Airfoil: modified SD 7037
Length: 1080mm
Weight: 750g
Here I enclose some pictures taken during the construction plus finished model, wish you like it.

PLEASE NOTE! On page 6 there are all plan necessary in PDF files for anyone who interested in this bird to download
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Last edited by triplane; Jul 08, 2010 at 10:17 AM.
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Old Apr 29, 2010, 11:53 AM
Registered User
Shanghai, China
Joined Mar 2010
215 Posts
wings built

following pictures are of wing construction:
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Old Apr 29, 2010, 12:07 PM
Balsa Builder. With some foam.
ArneHu's Avatar
Eastern Norway Scandinavia
Joined Dec 2009
1,084 Posts
Congratulations with a beautiful model and the great work! What sort of battery are you using? (Building a plane at nearby same size.)
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Old Apr 29, 2010, 12:14 PM
Registered User
Shanghai, China
Joined Mar 2010
215 Posts
Quote:
Originally Posted by ArneHu View Post
Congratulations with a beautiful model and the great work! What sort of battery are you using? (Building a plane at nearby same size.)
well...simple 5 cell NiMH 1800mh 6V pack is used, think its more than adequate for such a plane.
P.S. THX for your comment buddy
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Old Apr 29, 2010, 01:14 PM
Registered User
Joined Aug 2005
2,675 Posts
Very nice job on a great looking model!!!
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Old Apr 29, 2010, 01:28 PM
life long racing nut & modeler
granada don's Avatar
Granada Hills Ca.
Joined Nov 2009
1,881 Posts
Hi Patrick
Your new glider is about as nice as one could build just perfect looking in design and crafsmanship , one question is what did you use to cut the lighting slots and holes in your wing ribs. I have a super light woody 3M on the drawing board and would like to cut the ribs just like you have done, i too will use cap strips. In the photo of your knife and razor plane i was wondering what is the white item in the center, did you stack cut & sand your ribs and put in the lighting slots that way or one at a time.Can you let us know how she flys , thanks.
Its pretty neat how 2 people 1/2 way around world from each other can have the same ideas about a scratch built bird i too will use transperent red i will have some black trim, very cool stuff this sailplane building & flying
Sincerely
Don
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Old Apr 29, 2010, 02:03 PM
Unrepentant Paragon addict
LVsoaring's Avatar
United States, OK, Moore
Joined Jan 2006
2,543 Posts
Beautiful work! Where did you get that red canopy?
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Old Apr 29, 2010, 02:32 PM
SoarNut
spinolio's Avatar
United States, MI, Kentwood
Joined Apr 2005
373 Posts
Great work, how does it fly?
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Old Apr 29, 2010, 02:38 PM
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jtlsf5's Avatar
United States, CA, Folsom
Joined Jul 2007
2,504 Posts
Quote:
Originally Posted by LVsoaring View Post
Beautiful work! Where did you get that red canopy?
Probably the RIT dye trick on a clear canopy. Make up a solution of whatever color, then dip and keep dipping until the degree of tint is reached.

I'll let the OP confirm or disclose his method.

JT
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Old Apr 29, 2010, 02:54 PM
life long racing nut & modeler
granada don's Avatar
Granada Hills Ca.
Joined Nov 2009
1,881 Posts
Just an added tip the Rit dye works on Ty Raps to make them the color you wan't

Don
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Old Apr 29, 2010, 03:09 PM
Duane
Wazmo's Avatar
No. VA
Joined Nov 2004
1,373 Posts
I used a transparent spray paint on mine. Worked much better than dye. I found it in the R/C car section of my LHS.
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Old Apr 29, 2010, 03:13 PM
Unrepentant Paragon addict
LVsoaring's Avatar
United States, OK, Moore
Joined Jan 2006
2,543 Posts
Don't want to hijack the thread, but I always heard that the Rit dye trick was difficult to do because of the chance of warping the plastic in the hot water.
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Old Apr 29, 2010, 03:32 PM
life long racing nut & modeler
granada don's Avatar
Granada Hills Ca.
Joined Nov 2009
1,881 Posts
I just used it warm for a Paragon canopy and let it set overnite to dye it yellow.
Don
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Old Apr 29, 2010, 04:12 PM
WINS - Winch In Nose Sailplane
jaizon's Avatar
USA, NH
Joined Mar 2008
3,086 Posts
A super nice job on this plane!!! Fuse reminds me a little of a shark (fish). I'd like to hear some flight reports.
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Old Apr 29, 2010, 05:15 PM
Registered User
United States, CA, Bakersfield
Joined Jan 2001
1,680 Posts
Quote:
Originally Posted by LVsoaring View Post
Don't want to hijack the thread, but I always heard that the Rit dye trick was difficult to do because of the chance of warping the plastic in the hot water.
The water doesn't have to be boiling just hot. Tap water always worked for me. I've died several canopies (OK, it was a long time ago) and never had a problem with warping. I always died them before cutting them free of their base. Just pour the hot die mix into the inside of the canopy and let it stand for awhile. Pour it out and repeat until you get the tint you like. Quite simple really.
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